Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Silvia Golia"'
Publikováno v:
Forecasting, Vol 5, Iss 1, Pp 81-101 (2022)
In this paper we assess how intra-day electricity prices can improve the prediction of zonal day-ahead wholesale electricity prices in Italy. We consider linear autoregressive models with exogenous variables (ARX) with and without interactions among
Externí odkaz:
https://doaj.org/article/6cbe29ffd59d45ba8bd2339a87c4aa4c
Autor:
Eugenio Brentani, Silvia Golia
Publikováno v:
Statistica, Vol 67, Iss 3, Pp 253-261 (2013)
Unidimensionality, that is the items in a questionnaire measure only a single construct, is a fundamental requirement for the Rasch model. The paper deals with the detection of unidimensionality making use of principal components analysis of residual
Externí odkaz:
https://doaj.org/article/f7c251ce42e14a94a4f1feca064e277b
Autor:
Silvia Golia, Paola Zola
Publikováno v:
Statistical Analysis and Data Mining: The ASA Data Science Journal. 16:65-79
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ad9808d8e0d112e0c742ead6584f185
https://doi.org/10.1002/sam.11596
https://doi.org/10.1002/sam.11596
Autor:
Silvia Golia, Maurizio Carpita
Publikováno v:
J Appl Stat
The application of data mining techniques and statistical analysis to the sports field has received increasing attention in the last decade. One of the most famous sports in the world is soccer, and the present work deals with it, using data from the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5e6ee6440e152538488cec9b2f2bef2
https://doi.org/10.1080/02664763.2020.1772210
https://doi.org/10.1080/02664763.2020.1772210
Autor:
Silvia GOLIA, Maurizio Carpita
When dealing with a wine, it is of interest to be able to predict its quality based on chemical and/or sensory variables. There is no agreement on what wine quality means, or how it should be assessed and it is often viewed in intrinsic (physicochemi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4b21db9f4bfe0c7eb348dd3e2270bcc
https://doi.org/10.36253/978-88-5518-461-8.44
https://doi.org/10.36253/978-88-5518-461-8.44
Publikováno v:
Food Quality and Preference. 59:97-108
In this paper, a structure learning algorithm is applied to the sensory analysis field to study the factors that have an influence on the quality of Italian wines. Directed acyclic graphs, involving chemical as well as sensory variables, will be prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8aa4d42b01a7358780b2e7392854584
https://doi.org/10.1016/j.foodqual.2017.02.009
https://doi.org/10.1016/j.foodqual.2017.02.009
Autor:
Silvia Golia
Publikováno v:
Communications in Statistics - Theory and Methods. 45:236-251
Differential item functioning (DIF) is present when something about the characteristics of a test taker interferes with the relationship between ability and item response. Non uniform DIF (NUDIF) exists when there is interaction between ability level
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cafc72db4c9bac0a317edc01050c09d0
https://doi.org/10.1080/03610926.2013.830746
https://doi.org/10.1080/03610926.2013.830746
Autor:
Maurizio Carpita, Silvia Golia
Publikováno v:
Quality & Quantity. 46:1659-1685
Quality of work has within a short time become a major subject of study and discussion in labour economy. Its quantification is a challenging task because it implies the translation of various subjective perceptions into a single objective measure (c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2272a239318e175c563d74a631a8bbab
https://doi.org/10.1007/s11135-011-9515-0
https://doi.org/10.1007/s11135-011-9515-0
Autor:
Silvia Golia
Differential item functioning (DIF) is understood to be present when something about the characteristics of a subject interferes with the relationship between ability and item responses. When DIF items are present in a questionnaire, an impact on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e6706d138e7740ebcd428facb6fc455
http://hdl.handle.net/11379/416506
http://hdl.handle.net/11379/416506